Lower manifold



FIG. 1 is a top perspective view of the lower manifold showing my new design;

FIG. 2 is a front view of the lower manifold;

FIG. 3 is a back view of the lower manifold;

FIG. 4 is a right side view of the lower manifold;

FIG. 5 is a left side view of the lower manifold;

FIG. 6 is a top view of the lower manifold; and,

FIG. 7 is a bottom view of the lower manifold. 

CLAIM The ornamental design for a lower manifold, as shown and described. 